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BOSTON MARATHON 2025

Kate Custis

Bib: 25129•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F60-64)
#0 / 624
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:52
Rank: #20724
Start → 5K
26:52 | 8:39/mi
10K· 6.21 mi
54:34
Rank: #21348 (-624)
5K → 10K
27:42 | 8:55/mi
15K· 9.32 mi
1:23:23
Rank: #22049 (-701)
10K → 15K
28:49 | 9:17/mi
20K· 12.43 mi
1:53:48
Rank: #22607 (-558)
15K → 20K
30:25 | 9:47/mi
Half· 13.11 mi
2:00:12
Rank: #22642 (-35)
20K → Half
6:24 | 9:23/mi
25K· 15.53 mi
2:24:01
Rank: #22689 (-47)
Half → 25K
23:49 | 9:49/mi
30K· 18.64 mi
2:56:45
Rank: #22754 (-65)
25K → 30K
32:44 | 10:32/mi
20M
3:10:47
Rank: #22674 (+80)
30K → 20M
14:02 | 10:20/mi
21M
3:22:52
Rank: #22758 (-84)
20M → 21M
12:05 | 12:05/mi
35K· 21.75 mi
3:30:09
Rank: #22674 (+84)
21M → 35K
7:17 | 9:44/mi
23M
3:43:00
Rank: #22582 (+92)
35K → 23M
12:51 | 10:16/mi
24M
3:53:30
Rank: #22568 (+14)
23M → 24M
10:30 | 10:30/mi
40K· 24.85 mi
4:02:24
Rank: #22535 (+33)
24M → 40K
8:54 | 10:25/mi
25.2M
4:06:24
Rank: #22538 (-3)
40K → 25.2M
4:00 | 11:36/mi
Finish· 26.22 mi
4:16:28
Rank: #22531 (+7)
25.2M → Finish
10:04 | 9:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:12
Pace9:10 /mi
2nd Half
Distance13.11 mi
Time2:16:16
Pace10:24 /mi
📊Positive Split: 13.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:1526:528:3926:52
8:39
-
10K
6.21 mi11:52:5754:348:4727:42
8:55
+0:16
15K
9.32 mi12:21:461:23:238:5728:49
9:17
+0:22
20K
12.43 mi12:52:111:53:489:0930:25
9:47
+0:30
Half
13.11 mi12:58:352:00:129:106:24
9:23
-0:24
25K
15.53 mi13:22:242:24:019:1623:49
9:49
+0:26
30K
18.64 mi13:55:082:56:459:2932:44
10:32
+0:43
20M
20.00 mi14:09:103:10:479:3214:02
10:20
-0:12
21M
21.00 mi14:21:153:22:529:4012:05
12:05
+1:45
35K
21.75 mi14:28:323:30:099:407:17
9:44
-2:21
23M
23.00 mi14:41:233:43:009:4212:51
10:16
+0:32
24M
24.00 mi14:51:533:53:309:4410:30
10:30
+0:14
40K
24.85 mi15:00:474:02:249:458:54
10:25
-0:05
25.2M
25.20 mi15:04:474:06:249:474:00
11:36
+1:11
Finish
26.22 mi15:14:514:16:289:4710:04
9:53
-1:43

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:39 /mi

Average Pace

9:47 /mi

Slowest Pace

12:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:47

35% of race

Time at Steady Pace

1:24:26

33% of race

Time at Slower Pace

1:22:15

32% of race

Average Pace: 9:47 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:25:1526:528:3926:52
8:39
#20724
10K
6.21 mi11:52:5754:348:4727:42
8:55
#21348
15K
9.32 mi12:21:461:23:238:5728:49
9:17
#22049
20K
12.43 mi12:52:111:53:489:0930:25
9:47
#22607
Half
13.11 mi12:58:352:00:129:106:24
9:23
#22642
25K
15.53 mi13:22:242:24:019:1623:49
9:49
#22689
30K
18.64 mi13:55:082:56:459:2932:44
10:32
#22754
20M
20.00 mi14:09:103:10:479:3214:02
10:20
#22674
21M
21.00 mi14:21:153:22:529:4012:05
12:05
#22758
35K
21.75 mi14:28:323:30:099:407:17
9:44
#22674
23M
23.00 mi14:41:233:43:009:4212:51
10:16
#22582
24M
24.00 mi14:51:533:53:309:4410:30
10:30
#22568
40K
24.85 mi15:00:474:02:249:458:54
10:25
#22535
25.2M
25.20 mi15:04:474:06:249:474:00
11:36
#22538
Finish
26.22 mi15:14:514:16:289:4710:04
9:53
#22531
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi207247929792923124(Top 81%)9169(Top 75%)9169(Top 1469%)
10K6.21 mi3.10 mi21348-6248249-3208249-32021994(Top 77%)8597(Top 70%)8597(Top 1378%)
15K9.32 mi3.11 mi22049-7018629-3808629-38023124(Top 81%)9169(Top 75%)9169(Top 1469%)
20K12.43 mi3.11 mi22607-5588910-2818910-28123732(Top 84%)9567(Top 78%)9567(Top 1533%)
Half13.11 mi0.68 mi22642-358925-158925-1523165(Top 82%)9248(Top 76%)9248(Top 1482%)
25K15.53 mi2.42 mi22689-478972-478972-4722817(Top 80%)9099(Top 74%)9099(Top 1458%)
30K18.64 mi3.11 mi22754-659045-739045-7323006(Top 81%)9327(Top 76%)9327(Top 1495%)
20M20.00 mi1.36 mi22674+809027+189027+1821929(Top 77%)8854(Top 72%)8854(Top 1419%)
21M21.00 mi1.00 mi22758-849093-669093-6623728(Top 84%)9886(Top 81%)9886(Top 1584%)
35K21.75 mi0.75 mi22674+849060+339060+3321084(Top 74%)8558(Top 70%)8558(Top 1371%)
23M23.00 mi1.25 mi22582+929035+259035+2521295(Top 75%)8707(Top 71%)8707(Top 1395%)
24M24.00 mi1.00 mi22568+149056-219056-2122799(Top 80%)9545(Top 78%)9545(Top 1530%)
40K24.85 mi0.85 mi22535+339050+69050+621643(Top 76%)9017(Top 74%)9017(Top 1445%)
25.2M25.20 mi0.35 mi22538-39056-69056-622246(Top 78%)9294(Top 76%)9294(Top 1489%)
Finish26.22 mi1.02 mi22531+79078-229078-2222535(Top 79%)9440(Top 77%)9440(Top 1513%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

23124

Females

9169

F60-64

9169

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

21994

Females

8597

F60-64

8597

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

23124

Females

9169

F60-64

9169

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

23732

Females

9567

F60-64

9567

20K→Half

12.4 - 13.1 mi

Top 82%
×2stories
+19ft-37ft

Overall

23165

Females

9248

F60-64

9248

Half→25K

13.1 - 15.5 mi

Top 80%
×4stories
+66ft-88ft

Overall

22817

Females

9099

F60-64

9099

25K→30K

15.5 - 18.6 mi

Top 81%
×9stories
+181ft-148ft

Overall

23006

Females

9327

F60-64

9327

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

21929

Females

8854

F60-64

8854

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

23728

Females

9886

F60-64

9886

21M→35K

21.0 - 21.8 mi

Top 74%
×7stories
+17ft-86ft

Overall

21084

Females

8558

F60-64

8558

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

21295

Females

8707

F60-64

8707

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

22799

Females

9545

F60-64

9545

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

21643

Females

9017

F60-64

9017

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

22246

Females

9294

F60-64

9294

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2stories
+22ft-21ft

Overall

22535

Females

9440

F60-64

9440

Passing Analysis

Category:
Athletes Passed
1052
Passed By
2859
Net Change
-1807
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20724
5K → 10K83707-624#20724#21348
10K → 15K56757-701#21348#22049
15K → 20K63621-558#22049#22607
20K → Half2459-35#22607#22642
Half → 25K132179-47#22642#22689
25K → 30K137202-65#22689#22754
30K → 20M11434+80#22754#22674
20M → 21M44128-84#22674#22758
21M → 35K928+84#22758#22674
35K → 23M12331+92#22674#22582
23M → 24M5844+14#22582#22568
24M → 40K5825+33#22568#22535
40K → 25.2M1316-3#22535#22538
25.2M → Finish5548+7#22538#22531
TOTALS10522859-1807
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing